<?php 
header("Content-type: text/html; charset=utf-8"); 

// define("STIE_NAME", "百度一下");
// 	echo STIE_NAME;

// define("SITE_NAME","学并思"); //定义常量 
// 	echo SITE_NAME;//使用常量
// 	
// 	
// 	变量有$这个符号


	$x = 5;
	$y = 5;
	$z = $x+$y;
	echo $z;

echo "<table border = '1'>";

	for ($i=0; $i < 5; $i++) { 
		echo "<tr>";
			for ($h=0; $h < 6; $h++) { 
				echo "<td>";
				echo "233444444";
				echo "<td>";
			}
			echo "</tr>";
	}
	
echo "</table>"






 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
 <html lang="en">
 <head>
 	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
 	<title>if</title>
 </head>
 <body>
 	<table>
 		<?php for ($i=0; $i < 100; $i++) {  ?>
 		<tr>
 			<?php for ($j=0; $j < 0; $j++) {  ?>
 				<td>123145645654</td>
 			<?php} ?>
 		</tr>
		<?php} ?>
 	</table>
 </body>
 </html>